2026 Rivian R1S Dual Large (22in): home charging cost in North Carolina

At North Carolina's residential electricity rate of 14.9¢/kWh, a 2026 Rivian R1S Dual Large (22in) (rated 39.5 kWh per 100 miles by the EPA) costs $5.88 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 63.3% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Dual Large (22in) charged at home in North Carolina costs about $882/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,521 a year.

Cost of a full charge

A 2026 Rivian R1S Dual Large (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $19.35 at 14.9¢/kWh in North Carolina.

How this compares nationally

This combination ranks 8,832 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Large (22in) alone ranks 250 of 400 models for efficiency; North Carolina alone ranks 18 of 51 states for electricity price.

Before you install a home charger in North Carolina

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few North Carolina electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. North Carolina's 14.9¢/kWh rate ranks 18 of 51 states; the state rate guide lays out the full spread.